Part of the appeal of Marvel’s Agent Carter is the post World War II retro vibe. From the cars to the costumes, it’s a visual feast for fans of that vintage look. Marvel has just released two videos that take us backstage with costume designer Giovanna Ottobre-Melton as she breaks down the fashion behind that ’40s spy look.

First, creating Peggy Carter’s look for Hayley Atwell

In part two, we look at men’s styles:

Catch the season finale of “Marvel’s Agent Carter” Tuesday, February 24 at 9:00 p.m. ET on ABC!